Update table with data from another table

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От Mike G.
Тема Update table with data from another table
Дата
Msg-id 20060209202116.GA3080@localhost.localdomain
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Hi,

I was hoping to update the results of one table with data from another table.  I have done this many times before using
UPDATEX SET Z FROM Y. 

The catch this time is the tables involved both have the same column names, same table names but reside in different
schemas.

UPDATE schema1.A
SET col = z.col
FROM schema2.A z
WHERE z.match = match;

I can't get postgres to accept the above or any variation such as adding the full schema and table name to each column.
I also can't seem to declare an alias for the destination table (UPDATE schema1.A w SET w.col = z.col). 

As a workaround I will rename one of the tables temporarily.  If someone has been able to get this to work I would
appreciateany tips to reference for next time. 

Mike

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